What is the air quality trend in San José del Castillo?

Over the past 8 days, San José del Castillo had an average AQI of 47 based on station measurements. The worst day was 2026-06-09 with AQI 72.

How is San José del Castillo air quality measured?

Air quality in San José del Castillo is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for San José del Castillo, Mexico

Name: San José del Castillo Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near San José del Castillo, Mexico.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	72	66–82	22.0 µg/m³	3h	6
2026-06-08	38	21–67	9.3 µg/m³	24h	5
2026-06-07	41	28–61	9.9 µg/m³	24h	5
2026-06-06	44	27–66	11.1 µg/m³	24h	5
2026-06-05	44	25–68	11.0 µg/m³	24h	6
2026-06-04	45	28–70	11.2 µg/m³	24h	5
2026-06-03	47	22–73	12.3 µg/m³	23h	5
2026-06-02	49	28–65	12.4 µg/m³	20h	5

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